Molecular Clock
The Molecular Clock
Molecular clocks are calibrated in accord with dates assigned to fossils and the mutation rates of DNA. Since evolution of new life forms supposedly occurs by accumulating favorable mutations, knowing the mutation rate is essential to evolutionary time estimates.
Mutations and the Human Genome
The first direct measurement of human mutation rates ever done contains surprises which call molecular clock assumptions into question and prompt some re-thinking of our genetic understanding. Analysis of data from two families in the “1000 Genomes Project” database suggests that humans mutate much more slowly than predicted.
Ancestral Angiosperm Genome Project
Dating of fossils requires certain unverifiable assumptions, as does dating of genetic events by any sort of “molecular clock.” Evolutionists have trouble seeing how mutations can produce variety so “quickly” and are much happier when a couple of million years can be added to the available time.
Articles About Molecular Clock
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Feb. 21, 2017 from Answers in Depth
Let’s look at the molecular clock credited with resolving the timeline and see if we are “closer than ever to a timeline for human evolution.”
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In-Depth ArticleGeneticists Duel Over Dates for “Y-Chromosomal Adam”Feb. 11, 2014 from Answers in Depth
Setting the molecular clock to ring for “Adam” is creating controversy among geneticists.
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Circular Reasoning Surrounds Human Origins, but Even a Broken Clock Is Right Twice a DayAug. 12, 2013 from News to Know
Mitochondrial Eve finally meets Y-chromosome Adam (sort of).
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Tinkering With the Molecular ClockApril 13, 2013 from News to Know
Tinkering with the molecular clock: which assumptions should we accept?
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Presence of Ancient Anatomically Modern Humans in AfricaSept. 29, 2012 from News to Know
Genomic study suggests the presence of ancient anatomically modern humans all over Africa.
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Getting a New ClockMay 5, 2012 from News to Know
When the clock’s answers don’t meet expectations, get a new clock.
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Tree Frog BiodiversityJune 25, 2011 from News to Know
Statistical analyses swimming in a sea of assumptions sing of millions of years in both directions.
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Fast Flower EvolutionApril 16, 2011 from News to Know
Analysis of data from the Ancestral Angiosperm Genome Project presumably has solved the mystery of how such a variety of flowering plants could evolve in such a short evolutionary time-span.
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"Old" Virus Fragments from Same Family as Hepatitis B VirusOct. 2, 2010
Researchers at University of Texas–Arlington have found “old” virus fragments from the same family as modern Hepatitis B virus in the genomes of modern songbirds.
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SIV in Present FormSept. 25, 2010 from News to Know
A new study of the Simian Immunodeficiency Virus (SIV), a virus infecting “almost all African monkeys” but not sickening them, has led to speculation about how long the virus has been around in its present form.
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Pink Iguana Throws Off ScientistsJan. 10, 2009 from News to Know
A quarter-century ago, they might have been considered just as fantastic as pink elephants—but now pink iguanas are in the scientific spotlight.
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New Science Can’t Save an Old FarceMarch 16, 2007
Geneticists are increasingly relying on the technique of comparing genomes in the search for dates, as opposed to the old method of digging up fossil bones.
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